crypto: hisilicon/qm - remove unneeded data storage

mainline inclusion
from mainline-v6.1-rc1
commit 1129d2d5
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5T7AD
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1129d2d533195993aa0b0d0cd1c868950e01770d



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The dump_show() is used to output hardware information for error locating.
It is not need to apply for memory to temporarily store the converted data.
It can directly output the data. Therefore, remove some unnecessary code.

Signed-off-by: Junchong Pan <panjunchong@hisilicon.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jiangshui Yang <yangjiangshui@h-partners.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>